Richard is a Champion of Aleroth, defender of the Healer City.
He is originally located patrolling Broken Valley Village. He gives the quests Hearttaker to acquire goblin hearts, and Feast or Famine which can be accepted after Hearttaker. He is eventually killed by Damian during the massacre in Broken Valley.
You can mindread him for 400 exp to find out that the goblin hearts, which he pays you 50 gold for, are worth three times more back home. This knowledge can be used to increase his payments to 150 gold each.